Home / 709,898.70-1,064,848.05-651,837.90

Finding the Fourth Proportional to 709,898.70, 1,064,848.05 and 651,837.90

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Solution

The fourth proportional to 709,898.70, 1,064,848.05 and 651,837.90 is: 977,756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,898.70 : 1,064,848.05 = 651,837.90 : x
  2. Step 2: Convert to fraction form
    709,898.70/1,064,848.05 = 651,837.90/x
  3. Step 3: Cross multiply
    709,898.70x = 1,064,848.05 × 651,837.90
  4. Step 4: Simplify right side
    709,898.70x = 694,108,316,731.10
  5. Step 5: Solve for x
    x = 694,108,316,731.10/709,898.70
  6. Step 6: Final answer
    x = 977,756.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.